[PATCH v2 0/5] drm/msm: support for host-cached BOs

From: Jonathan Marek
Date: Fri Nov 06 2020 - 11:38:40 EST


This is to support cached and cached-coherent memory types in vulkan.

v2:
- added patches 2/3 to enable using dma_ops_bypass
- changed DRM_MSM_GEM_SYNC_CACHE patch to use dma_sync_sg_for_device()
and dma_sync_sg_for_cpu(), and renamed sync flags.

Not sure I did the right thing with for the dma_ops_bypass part,
this is what I came up with reading the emails.

Jonathan Marek (5):
drm/msm: add MSM_BO_CACHED_COHERENT
dma-direct: add dma_direct_bypass() to force direct ops
drm/msm: call dma_direct_bypass()
drm/msm: add DRM_MSM_GEM_SYNC_CACHE for non-coherent cache maintenance
drm/msm: bump up the uapi version

drivers/gpu/drm/msm/Kconfig | 1 +
drivers/gpu/drm/msm/adreno/adreno_device.c | 1 +
drivers/gpu/drm/msm/msm_drv.c | 32 +++++++++++++++++++---
drivers/gpu/drm/msm/msm_drv.h | 3 ++
drivers/gpu/drm/msm/msm_gem.c | 31 +++++++++++++++++++++
include/linux/dma-direct.h | 9 ++++++
include/uapi/drm/msm_drm.h | 25 +++++++++++++++--
kernel/dma/direct.c | 23 ++++++++++++++++
8 files changed, 118 insertions(+), 7 deletions(-)

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2.26.1